dmaengine: ti: omap-dma: Add cleanup in omap_dma_probe()

If devm_request_irq() fails to disable all interrupts, no cleanup is
performed before retuning the error. To fix this issue, invoke
omap_dma_free() to do the cleanup.

Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/1565938570-7528-1-git-send-email-wenwen@cs.uga.edu
Signed-off-by: Vinod Koul <vkoul@kernel.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/dma/ti/omap-dma.c b/drivers/dma/ti/omap-dma.c
index ba27802efcd0..d07c0d5de7a2 100644
--- a/drivers/dma/ti/omap-dma.c
+++ b/drivers/dma/ti/omap-dma.c
@@ -1540,8 +1540,10 @@ static int omap_dma_probe(struct platform_device *pdev)
 
                 rc = devm_request_irq(&pdev->dev, irq, omap_dma_irq,
                                       IRQF_SHARED, "omap-dma-engine", od);
-                if (rc)
+                if (rc) {
+                        omap_dma_free(od);
                         return rc;
+                }
         }
 
         if (omap_dma_glbl_read(od, CAPS_0) & CAPS_0_SUPPORT_LL123)